Hi all,
I've just tried Tkinter on an Asus EeeTop PC with touch screen for an
application
which needs to manage: 1) directly clicking on specific screen areas, and
2) selection after a dwell time. However in both cases there are some
problems.
For the first option I've used the recognition of the <Button-1> and
<ButtonRelease-1>
events; indeed the two events are managed but this occurs only when the
finger/stylus
is released (in other words, the press event is not produced until the
realease event
is produced too). Why does this happen? After all the press acton is
recognized by
the system, because on the screen a visual feedback (a set of circle
shape waves
around the touch point) is instead displayed. the
The fact that the recognition of the touch is not immediate and has to
wait until
the realease action does not allow to know when to start the dwell time
for the
second option. Any idea? Thanks in advance
Franco
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